BAOSHA Mens TOP PU Leather Laptop Backpack College School Backpack Black Bag Material: Top PU leather fabric, polyester lining; Most Expensive PU Leather Material, 99 Similar to the Real Leather. Bag Size: 12.9 x 18.1 x 6.2 inch / 33 x 46 x 16 cm Recommend to use as: school backpack,everyday casual bag,laptop backpack, etc Bag Structure: 1 Main Bag, 1 Computer Compartment Bag(13~15" inch), 2 Open Wall Pockets, 1 Front Zipper Pocket, 2 Side Pockets (please refer to the pictures) LIFETIME WARRANTY: We stand behind our products and offer a 100% Lifetime Money Back Satisfaction Guarantee.